Other questions in this quiz

2. What does monochromatic mean?

  • 1 colour
  • 1 wavelength
  • 1 speed

3. What happens to a wave when it passes a doorway?

  • It defracts
  • It stops
  • It doesnt change

4. Which is better? Dialogue or analogue?

  • Dialogue
  • Analogue

5. What is the trough on a wave?

  • the lowest point on a wave
  • the highest point on a wave
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